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// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
// 
//   http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
import { quantile, asc } from '../../util/number.js';
import { isFunction, isString } from 'zrender/lib/core/util.js';
/**
 * See:
 *  <https://en.wikipedia.org/wiki/Box_plot#cite_note-frigge_hoaglin_iglewicz-2>
 *  <http://stat.ethz.ch/R-manual/R-devel/library/grDevices/html/boxplot.stats.html>
 *
 * Helper method for preparing data.
 *
 * @param rawData like
 *        [
 *            [12,232,443], (raw data set for the first box)
 *            [3843,5545,1232], (raw data set for the second box)
 *            ...
 *        ]
 * @param opt.boundIQR=1.5 Data less than min bound is outlier.
 *      default 1.5, means Q1 - 1.5 * (Q3 - Q1).
 *      If 'none'/0 passed, min bound will not be used.
 */

export default function prepareBoxplotData(rawData, opt) {
	opt = opt || {};
	var boxData = [];
	var outliers = [];
	var boundIQR = opt.boundIQR;
	var useExtreme = boundIQR === 'none' || boundIQR === 0;

	for (var i = 0; i < rawData.length; i++) {
		var ascList = asc(rawData[i].slice());
		var Q1 = quantile(ascList, 0.25);
		var Q2 = quantile(ascList, 0.5);
		var Q3 = quantile(ascList, 0.75);
		var min = ascList[0];
		var max = ascList[ascList.length - 1];
		var bound = (boundIQR == null ? 1.5 : boundIQR) * (Q3 - Q1);
		var low = useExtreme ? min : Math.max(min, Q1 - bound);
		var high = useExtreme ? max : Math.min(max, Q3 + bound);
		var itemNameFormatter = opt.itemNameFormatter;
		var itemName = isFunction(itemNameFormatter) ? itemNameFormatter({
			value: i
		}) : isString(itemNameFormatter) ? itemNameFormatter.replace('{value}', i + '') : i + '';
		boxData.push([itemName, low, Q1, Q2, Q3, high]);

		for (var j = 0; j < ascList.length; j++) {
			var dataItem = ascList[j];

			if (dataItem < low || dataItem > high) {
				var outlier = [itemName, dataItem];
				outliers.push(outlier);
			}
		}
	}

	return {
		boxData: boxData,
		outliers: outliers
	};
}